CN205159204U - Indoor high -voltage vacuum circuit breaker spring operating mechanism - Google Patents
Indoor high -voltage vacuum circuit breaker spring operating mechanism Download PDFInfo
- Publication number
- CN205159204U CN205159204U CN201521006924.9U CN201521006924U CN205159204U CN 205159204 U CN205159204 U CN 205159204U CN 201521006924 U CN201521006924 U CN 201521006924U CN 205159204 U CN205159204 U CN 205159204U
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- CN
- China
- Prior art keywords
- connecting rod
- spring
- hinged
- circuit breaker
- cam
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model discloses an indoor high -voltage vacuum circuit breaker spring operating mechanism, cam, combined floodgate spring, first connecting rod, second connecting rod, third connecting rod, insulating pull rod, moving contact, excess of stroke spring and separating brake spring including electrified machine, the combined floodgate spring links to each other with the cam, connecting rod both ends are articulated with set position and the 2nd connecting rod respectively, and the 2nd connecting rod lower extreme is articulated with the 3rd connecting rod that the middle part was equipped with the hinge hole, hinge hole and settlement position are articulated, the other one end of third connecting rod is articulated with insulating pull rod, the other one end of insulating pull rod with be provided with the vice moving contact that slides and pass through excess of stroke spring coupling, the separating brake spring links to each other with the third connecting rod, this mechanism passes through the spring stored energy, then releases elastic potential energy drive moving contact and quick joint of static contact and separation fast, realizes high -pressure vacuum circuit breaker's combined floodgate and separating brake, and its dependable performance nature is high, and it is good to cut -off the performance, and simple structure is compact, light in weight, and shared space is little, and closes separating brake time weak point.
Description
Technical field
The utility model relates to a kind of breaker spring operating mechanism, especially relates to a kind of indoor high-voltage vacuum circuit breaker spring operating mechanism.
Background technology
Circuit breaker is one of most important equipment of electric power system, it in electric power system, play two in effect: control and protection, therefore, the safe and stable operation of circuit breaker to electrical network plays vital effect.Primary cut-out is electrical switchgear most important, the most complicated in electric power system, and it directly controls the operation of power network line and exits, can fast shut-off faulty line, is the key equipment ensureing that network system normal reliable is run.Primary cut-out generally by operating mechanism, transmission mechanism, cut-off 5 parts such as element, support insulator and pedestal and form.The reliability of its operating mechanism is very important, requirement can under any operational environment, line condition successfully deciliter circuit, very high requirement is had to device longevity, kinematic accuracy and component strength, operating mechanism bumpy motion, moving not in placely all can produce huge loss, according to statistics, all types breaker mechanical fault proportion is very high, and mechanical breakdown often causes electrical malfunction simultaneously.The reliability of circuit breaker depends on the reliability of the mechanical performance of system to a great extent, i.e. the reliability of actuating machinery.
The mechanical property of circuit breaker is one of important indicator weighing breaker reliability.In circuit breaker type approval test, delivery test and failure diagnosis, the measurement of breaker mechanic property has been one of the performance index and the normal important means run that ensure circuit breaker.Existing breaker mechanic property testing apparatus major part can only measure the displacement of moving contact, and measurement data is single, cannot meet the demand of circuit breaker failure diagnosis.
Utility model content
In order to solve the technical problem existing for prior art, the utility model provides that a kind of reliability is high, size is little, and part is few, and shared space is little, and the overall volume of circuit breaker is reduced, and lightweight indoor high-voltage vacuum circuit breaker spring operating mechanism.
Its technical scheme is: a kind of indoor high-voltage vacuum circuit breaker spring operating mechanism, comprises the cam of translator, third connecting rod, insulated tension pole, the movable contact rod being provided with slippage pair and tripping spring that the switching-in spring be connected with cam edge, first connecting rod, second connecting rod, middle part are provided with hinge hole; The other end and the desired location of described switching-in spring are fixedly linked, described first connecting rod one end and desired location hinged, the upper end of the other end and second connecting rod is hinged by bearing pin C, and described bearing pin C is positioned at the edge radius of gyration of cam;
Described second connecting rod lower end and third connecting rod one end hinged, the hinge hole of described third connecting rod is with hinged at the fixed pin shaft G of desired location, the other one end of described third connecting rod and insulated tension pole one end hinged, the other one end of described insulated tension pole and movable contact rod are hinged and connected;
Described tripping spring one end and desired location are hinged and connected, and the other end is hinged and connected with the third connecting rod near insulated tension pole; Described switching-in spring and tripping spring are equipped with the maintaining body that can keep its elastic potential energy, and described switching-in spring is extension spring, and tripping spring is Compress Spring.
As preferably, the insulated tension pole of described a kind of indoor high-voltage vacuum circuit breaker spring operating mechanism is connected by excess of stroke spring with movable contact rod.
The beneficial effects of the utility model are:
Operating mechanism adopts cam link type of belt drive, and reliable transmission is high, and shared size is little, and part is few, and shared space is little, and the overall volume of circuit breaker is reduced, and lightweight, is conducive to indoor use; Fixed contact place is provided with excess of stroke spring, effectively can slows down the overshoot effect of moving contact, reduce overshoot to the damage of mechanism; Stored energy adopts spring energy-storage mode, and fault offset speed is fast, makes splitting or integrating lock speed high and the splitting or integrating lock time is short, improves the connecting-disconnecting function of circuit breaker.
Accompanying drawing explanation
Fig. 1 is the structural representation before the utility model spring operating mechanism is closed a floodgate;
Fig. 2 is the structural representation after the utility model spring operating mechanism is closed a floodgate.
Reference numeral: cam 1, switching-in spring 2, first connecting rod 3, second connecting rod 4, third connecting rod 5, insulated tension pole 6, movable contact rod 7, excess of stroke spring 8, tripping spring 9.
Embodiment
As depicted in figs. 1 and 2, a kind of indoor high-voltage vacuum circuit breaker spring operating mechanism, comprises the cam 1 of translator, switching-in spring 2, first connecting rod 3, second connecting rod 4, third connecting rod 5, insulated tension pole 6, movable contact rod 7, excess of stroke spring 8 and tripping spring 9; Described switching-in spring 2 one end is fixed at desired location by fixing pin E, and the other end is connected with cam 1 edge by pin B; Described first connecting rod 3 one end is hinged by fixed pin shaft D at desired location, and the upper end of the other end and second connecting rod 4 is hinged by bearing pin C, and described bearing pin C is positioned at the edge radius of gyration of cam 1;
It is hinged that bearing pin F is passed through in described second connecting rod 4 lower end and third connecting rod 5 one end, hinge hole is provided with in the middle part of described third connecting rod 5, third connecting rod 5 desired location by hinge hole and fixed pin shaft G hinged, it is hinged that the other one end of described third connecting rod 5 and insulated tension pole 6 pass through bearing pin I, described insulated tension pole 6 is connected by excess of stroke spring 8 with movable contact rod 7 one end in addition, and movable contact rod 7 arranges slippage pair;
Described tripping spring 9 one end is hinged by fixed pin shaft H at desired location, and between the other end of tripping spring 9 with the fixed pin shaft G of third connecting rod 5 and bearing pin I, position is fixedly connected with; Described switching-in spring 2 and tripping spring 9 are equipped with the maintaining body that can keep its elastic potential energy, and described switching-in spring 2 is extension spring, and described tripping spring 9 is Compress Spring.
Indoor high-voltage vacuum circuit breaker spring operating mechanism is in making process, stretching switching-in spring 2 is rotated counterclockwise by driven by motor cam 1, and make switching-in spring 2 energy storage by maintaining body, after receiving order of closing a floodgate, maintaining body removes the maintenance effect to switching-in spring 2, switching-in spring 2 rapidly band moving cam 1 turns clockwise, cam 1 acts on bearing pin C, first connecting rod 3 is rotated counterclockwise, and then drive second connecting rod 4 to move downward, second connecting rod 4 drives third connecting rod 5 to rotate counterclockwise by bearing pin F, tripping spring 9 is driven to compress, tripping spring 9 is kept to be in compressive state by the maintaining body of tripping spring 9, third connecting rod 5 drives insulated tension pole 6 to move upward by bearing pin I simultaneously, movable contact rod 7 is upward sliding under the effect of insulated tension pole 6 and slippage pair, through the buffering of excess of stroke spring 8, realize movable contact rod 7 and fixed contact joint, reset is rotated counterclockwise by driven by motor cam 1 after combined floodgate.
In separating brake process, remove the maintaining body maintenance effect of tripping spring 9, tripping spring 9 discharges elastic potential energy, rapid promotion third connecting rod 5 rotates clockwise, third connecting rod 5 drives insulated tension pole 6 to move downward by bearing pin I, insulated tension pole 6 drives movable contact rod 7 slide downward by driving excess of stroke spring 8, realizes being separated of movable contact rod 7 and fixed contact.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (2)
1. an indoor high-voltage vacuum circuit breaker spring operating mechanism, is characterized in that: comprise the cam (1) of translator, third connecting rod (5), insulated tension pole (6), the movable contact rod (7) being provided with slippage pair and tripping spring (9) that the switching-in spring (2) be connected with cam (1) edge, first connecting rod (3), second connecting rod (4), middle part are provided with hinge hole; The other end and the desired location of described switching-in spring (2) are fixedly linked, described first connecting rod (3) one end and desired location hinged, the upper end of the other end and second connecting rod (4) is hinged by bearing pin C, and described bearing pin C is positioned at the edge radius of gyration of cam (1);
Described second connecting rod (4) lower end and third connecting rod (5) one end hinged, the hinge hole of described third connecting rod (5) is with hinged at the fixed pin shaft G of desired location, described third connecting rod (5) in addition one end is hinged with insulated tension pole (6) one end, and the other one end of described insulated tension pole (6) and movable contact rod (7) are hinged and connected;
Described tripping spring (9) one end and desired location are hinged and connected, and the other end is hinged and connected with the third connecting rod (5) near insulated tension pole (6); Described switching-in spring (2) and tripping spring (9) are equipped with the maintaining body that can keep its elastic potential energy, and described switching-in spring (2) is extension spring, and tripping spring (9) is Compress Spring.
2. a kind of indoor high-voltage vacuum circuit breaker spring operating mechanism as claimed in claim 1, is characterized in that: described insulated tension pole (6) is connected by excess of stroke spring (8) with movable contact rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521006924.9U CN205159204U (en) | 2015-12-07 | 2015-12-07 | Indoor high -voltage vacuum circuit breaker spring operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521006924.9U CN205159204U (en) | 2015-12-07 | 2015-12-07 | Indoor high -voltage vacuum circuit breaker spring operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205159204U true CN205159204U (en) | 2016-04-13 |
Family
ID=55694868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521006924.9U Expired - Fee Related CN205159204U (en) | 2015-12-07 | 2015-12-07 | Indoor high -voltage vacuum circuit breaker spring operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205159204U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111025140A (en) * | 2019-12-27 | 2020-04-17 | 国网山西省电力公司电力科学研究院 | Method for improving opening speed of breaker model based on spring assistance |
| CN113936954A (en) * | 2021-11-15 | 2022-01-14 | 西电宝鸡电气有限公司 | Generator outlet switch complete device |
| EP3996123A1 (en) * | 2020-11-10 | 2022-05-11 | Eaton Intelligent Power Limited | Operating mechanism for operating at least one contact |
| EP4075463A1 (en) * | 2021-04-15 | 2022-10-19 | Eaton Intelligent Power Limited | Operating mechanism |
-
2015
- 2015-12-07 CN CN201521006924.9U patent/CN205159204U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111025140A (en) * | 2019-12-27 | 2020-04-17 | 国网山西省电力公司电力科学研究院 | Method for improving opening speed of breaker model based on spring assistance |
| EP3996123A1 (en) * | 2020-11-10 | 2022-05-11 | Eaton Intelligent Power Limited | Operating mechanism for operating at least one contact |
| EP4075463A1 (en) * | 2021-04-15 | 2022-10-19 | Eaton Intelligent Power Limited | Operating mechanism |
| CN113936954A (en) * | 2021-11-15 | 2022-01-14 | 西电宝鸡电气有限公司 | Generator outlet switch complete device |
| CN113936954B (en) * | 2021-11-15 | 2023-08-15 | 西电宝鸡电气有限公司 | Complete device for outlet switch of generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20191207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |